Yes, my impression is largely that

in the USA class = wealth

in the UK class = speech habits (and table manners, in the middle-class bracket).


However, it only takes a couple of generations backwards, and much of today's English middle class was not middle class at all. If you accept (as I do) that folk song and music speaks to one's roots (or genetic inheritance) then the perception of a present-day class anomaly is misleading.

This is another reason IMHO why distinctions between "folk" "nu-folk" (or "neo-folk") and ARSS assist in clarity.